Simulations Engineer

Simulations Engineer

As a Simulations Engineer, you will play a key role in designing battery cells and systems for space applications

Details

Job Type

Full-time

Workplace

On-site

Level

Senior-level

Location

Tallinn, Estonia

Interested in joining Max Joule?

Send us your CV and a short introduction outlining your relevant experience.

Overview

Join Max Joule, an innovative deep-tech startup developing next-generation battery cells and energy storage systems for industries including defence, space, medical, and mining.

As a Simulations Engineer, you will play a key role in developing and validating simulation models for battery cells and systems. Working closely with the founders and engineering team, you will use FEA and CFD simulations to understand structural and thermal behaviour, guide design decisions, and correlate models with experimental testing from concept through validation and manufacturing.

Your responsibilities

  • Perform CFD-based thermal modelling and support thermal design optimization.

  • Perform FEA modelling and validate simulation results through physical testing.

  • Design, procure, coordinate, or outsource physical testing and validation activities.

  • Create CAD designs for battery cells, battery packs, fixtures, tools, and manufacturing equipment.

  • Maintain CAD files, engineering drawings, parts libraries, and related technical documentation.

  • Support the manufacturing team with the design and development of tools, fixtures, and production equipment.

During your first months, your main focus will be on FEA structural simulation of battery cells, thermal modelling of battery cells and battery packs, developing battery cell CAD models as a basis for simulations, and supporting the engineering team with fixture designs.

What we’re looking for

Skills & Knowledge

  • Experience with CAD design and mechanical product development

  • Knowledge of CFD thermal modelling

  • Knowledge of FEA structural modelling

  • Proficiency in CAD software, preferably SolidWorks

  • Experience with SolidWorks Thermal is considered an advantage

  • Understanding of engineering documentation and product development processes

  • Ability to analyse technical challenges and develop practical engineering solutions

Experience

  • 5+ years of experience in thermal/structural modelling gained through professional work.

  • Experience in CAD product design

Personal Qualities

  • Proactive and solution-oriented mindset

  • Ability to work independently and take ownership of projects

  • Hands-on approach with a strong willingness to learn

  • Comfortable working in a fast-paced startup environment

  • Able to adapt quickly to changing priorities

What we offer

  • The opportunity to work on cutting-edge battery technologies

  • A key engineering role with real ownership and influence

  • Collaboration directly with the company founders

  • Participation in the employee stock option programme

  • Full-time employment contract

  • Modern work environment at our manufacturing facility in Tallinn

  • All necessary work equipment

  • Business trips to suppliers

  • Excellent opportunity to grow together with a rapidly expanding deep-tech startup

Max Joule Oü

Registered in Estonia
Reg. No. 17121892.

©

2026

Max Joule

Max Joule Oü

Registered in Estonia
Reg. No. 17121892.

©

2026

Max Joule

Max Joule Oü

Registered in Estonia
Reg. No. 17121892.

©

2026

Max Joule